CN216818208U

CN216818208U - Temperature control switch capable of rapidly acting

Info

Publication number: CN216818208U
Application number: CN202220079173.7U
Authority: CN
Inventors: 姚学武
Original assignee: Dongguan Safety Electronic Technology Co ltd
Current assignee: Dongguan Safety Electronic Technology Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-06-24
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses a temperature control switch capable of rapidly acting, which comprises an upper cover structural member, a bimetallic strip, an upper PI insulating film, a spring, a lower PI insulating film, a static conducting strip and a static contact, and has the beneficial effects that: the structure is compact, the space is reasonable, the bimetallic strip works independently without passing current, the bimetallic strip can easily meet the national standard requirement through high voltage, the bimetallic strip can flexibly form temperature, the contact of the elastic sheet can be increased, the insulation distance and the arc discharge distance are large, the bimetallic strip is tightly attached to the heating surface, temperature sensing is more direct, the optimal physical characteristic response time of the bimetallic strip is reached, the response time is multiple times than that of a traditional temperature control switch, the temperature control switch really starts to react with a heat source in a source rising synchronous manner to make an optimal state of rapid action, the product has a short size, does not occupy space, has a better utilization rate, and in the whole work, the product performance is stable, does not arc, acts crisp, has stable temperature, long service life, small volume, large current, action speed, good temperature sensing effect, simplicity and reliability.

Description

Temperature control switch capable of rapidly acting

Technical Field

The utility model relates to the technical field of temperature control switches, in particular to a temperature control switch capable of acting rapidly.

Background

Temperature switch that appears on the market at present, in accuse temperature or protection process, the product reaction is slower, if can also deal with low-power heating product, but to high-power little heating member, because power density is big, the programming rate is fast, traditional control by temperature change product has lost the meaning of accuse temperature protection, bears to high-power needs heavy current, traditional heavy current control by temperature change product, and the structure is complicated, and the space is great, especially highly too high, influences the installation space, leads to unable installation. Therefore, the technical problems can be solved by the structure, and a brand-new temperature control switch with quick action, small space and stable performance is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a temperature control switch capable of operating rapidly to solve the problem of safety accidents caused by complete machine product failure due to the fact that the reaction speed is not rapid enough in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a temperature control switch capable of rapidly acting comprises an upper cover structural member, a bimetallic strip, an upper PI insulating film, a spring, a lower PI insulating film, a static conductive strip, a static contact, a movable conductive reed and a lower cover structural member, wherein the upper cover structural member is arranged on one side of the lower cover structural member, the movable conductive reed is arranged between the upper cover structural member and the lower cover structural member, the movable contact is fixedly connected to the top of the movable conductive reed, the lower PI insulating film is arranged on the top of the movable conductive reed, the spring is arranged on the top of the lower PI insulating film, the upper PI insulating film is arranged on the top of the spring, the bimetallic strip is arranged on the top of the upper PI insulating film, the static conductive strip is arranged on one side, located on the movable conductive reed, between the upper cover structural member and the lower cover structural member, and the static contact is fixedly connected to the bottom of the static conductive strip.

As a preferable technical scheme of the utility model, the middle part of the upper cover structural part adopts a hollow design.

As a preferable technical solution of the present invention, the corresponding center points of the movable conductive spring and the bimetallic strip are set to be convex points.

As a preferable technical scheme of the utility model, the central point of the spring corresponds to the central point of the hollowed-out part of the upper cover structural member.

As a preferable technical scheme of the utility model, the upper cover structural part and the lower cover structural part are of clamping and mutual-closing structures.

Compared with the prior art, the utility model has the beneficial effects that: the bimetallic strip has the advantages of compact structure, reasonable space, independent work of the bimetallic strip without passing current, capability of easily meeting national standard requirements through high voltage, flexible forming temperature of the bimetallic strip, enlargement of the contact of the elastic sheet, large insulation distance and arc discharge distance, more direct temperature sensing, realization of optimal physical characteristic reaction time of the bimetallic strip, multiple times of reaction compared with the traditional temperature control switch, real starting of synchronous reaction with a heat source and making of optimal state of rapid action, shorter size of the product, no space occupation, better utilization rate, stable performance of the product in the whole work, no arc discharge, dry and crisp action, stable temperature, long service life, small volume, large current, good action speed, good temperature sensing effect, simplicity and reliability.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a top view of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. an upper cover structure member; 2. a bimetal; 3. an upper PI insulating film; 4. a spring; 5. a lower layer PI insulating film; 6. a static conductive sheet; 7. a stationary contact; 8. a movable contact; 9. a movable conductive reed; 10. and a lower cover structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a temperature control switch capable of rapidly acting comprises an upper cover structural member 1, a bimetallic strip 2, an upper PI insulating film 3, a spring 4, a PI insulating film, a static conducting strip 6, a static contact 7, a movable contact 8, a movable conducting reed 9 and a lower cover structural member 10, wherein the upper cover structural member 1 is arranged on one side of the lower cover structural member 10, the movable conducting reed 9 is arranged between the upper cover structural member 1 and the lower cover structural member 10, the movable conducting reed 9 is fixedly connected with the movable contact 8 at the top of the movable conducting reed 9, the lower PI insulating film 5 is arranged at the top of the movable conducting reed 9, the lower PI insulating film 5 is insulation for isolating the movable conducting reed 9 from contacting with the spring 4, the movable conducting reed 9 is a charged body, the surface of the bimetallic strip 2 is uncharged after double insulation of the upper PI insulating film 3 and the lower PI insulating film 5 is adopted, the spring 4 is arranged at the top of the PI insulating film 5, the upper PI insulating film 3 is arranged at the top of the spring 4, upper PI insulating film 3 has good insulating nature to have high temperature resistance, open bimetallic strip 2 and spring 4 insulating role, the top of upper PI insulating film 3 is equipped with bimetallic strip 2, and one side that just is located between upper cover structure 1 and the lower cover structure 10 and moves electrically conductive reed 9 is equipped with static conducting strip 6, and the bottom fixedly connected with stationary contact 7 of static conducting strip 6.

The middle part of the upper cover structural part 1 is designed in a hollow shape, so that the bimetallic strip 2 can be better contacted with a heat source.

The center points of the movable conductive spring 9 corresponding to the bimetallic strip 2 are arranged to be convex points, and the convex points are used for realizing the periodic descending of the bimetallic strip 2 during the action, so that the fixed contact 7 and the movable contact 8 are disconnected, and the circuit is in an open circuit state.

The central point of the further spring 4 corresponds to the central point of the hollowed part of the upper cover structural part 1, so that the bimetallic strip 2 can be balanced when acting, the bimetallic strip 2 can always keep a planar shape regardless of the forward and reverse actions, and no gap is generated due to inclination.

The upper cover structural member 1 and the lower cover structural member 10 are further of clamping and mutual-closing structures, and the tightness of the product is improved after the upper cover structural member 1 and the lower cover structural member 10 are packaged.

Specifically, when the utility model is used, the bimetallic strip 2 directly senses the temperature of a heat source to generate reverse deformation, the movable contact 8 and the fixed contact 7 welded on the movable conductive reed 9 are in an open circuit state through the stress of the salient points of the movable conductive reed 9, and the product realizes the circuit breaking; when the temperature of the heat source sensed by the bimetallic strip 2 is reduced, the bimetallic strip 2 immediately rebounds to react, the salient point of the movable conductive reed 9 is not stressed any more, the movable contact 8 and the static contact 7 which are welded on the movable conductive reed 9 are closed again, and the product is connected with a circuit; the whole temperature control switch is disconnected and reset by the working characteristics of the whole part; this structural design is reasonable, is a brand-new rapid motion type temperature detect switch, really makes 2 physical reactions of bimetallic strip synchronous with the heat source, but when the heat source intensifies fast true pleasant sensation receive the heat source temperature, can satisfy the requirement to the rapid reaction control by temperature change completely, and through above-mentioned part, the product is highly reasonable, has solved 2 surfaces of bimetallic strip uncharged, and withstand voltage insulating properties accords with the national standard requirement, and the security is high. In order to meet the market demand, the structure of the device is more miniaturized or more strengthened, the current can be satisfied according to the material characteristics, and the device can be applied to various currents.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A temperature control switch capable of rapidly acting comprises an upper cover structural member (1), a bimetallic strip (2), an upper PI insulating film (3), a spring (4), a PI insulating film, a static conducting strip (6), a static contact (7), a movable contact (8), a movable conductive reed (9) and a lower cover structural member (10), and is characterized in that the upper cover structural member (1) is arranged on one side of the lower cover structural member (10), the movable conductive reed (9) is arranged between the upper cover structural member (1) and the lower cover structural member (10), the movable contact (8) is fixedly connected with the top of the movable conductive reed (9), a lower PI insulating film (5) is arranged on the top of the movable conductive reed (9), the spring (4) is arranged on the top of the lower PI insulating film (5), the upper insulating film (3) is arranged on the top of the spring (PI 4), the bimetallic strip (2) is arranged on the top of the upper PI insulating film (3), and a static conductive sheet (6) is arranged between the upper cover structural member (1) and the lower cover structural member (10) and on one side of the movable conductive reed (9), and a static contact (7) is fixedly connected to the bottom of the static conductive sheet (6).

2. A rapid-action temperature-controlled switch as claimed in claim 1, characterized in that: the middle part of the upper cover structural part (1) is designed in a hollow shape.

3. A rapid-action temperature-controlled switch as claimed in claim 1, characterized in that: the corresponding central points of the movable conductive reed (9) and the bimetallic strip (2) are arranged to be convex points.

4. A rapid-action temperature-controlled switch as claimed in claim 1, characterized in that: the central point of the spring (4) corresponds to the central point of the hollow part of the upper cover structural member (1).

5. A rapid-action temperature-controlled switch as claimed in claim 1, characterized in that: the upper cover structural part (1) and the lower cover structural part (10) are of clamping and mutual-closing structures.